{
  "manageEntity": {
    "action": "Repost",
    "entityId": "738558",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc575997d469a4843716e734cf81cbabc16db9826758a7ac7bcf55c12d3aa7c75",
    "signature": "0x348e3a1a4946520329a3d38ea26c7c761ad452e3085fff4cbb490d6c4fbb6f80718d6d9b3824f30577b1b84bd665d942455d5391ed44eb7f3ec17ce929787d1f1c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}